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PermissionGacha/modules/gacha/rand.go

23 lines
379 B
Go

package gacha
import (
crand "crypto/rand"
"encoding/binary"
mrand "math/rand"
)
var rand = mrand.New(cryptoSource{})
type cryptoSource struct{}
func (cryptoSource) Int63() int64 {
var value uint64
err := binary.Read(crand.Reader, binary.BigEndian, &value)
if err != nil {
panic(err)
}
return int64(value ^ uint64(1<<63))
}
func (cryptoSource) Seed(seed int64) {}